Tuesday, 22 January 2013

Stirling Engine Blog 10 January 22 2013


Pat did an excellent job of making an exhaust pipe. He threaded some thick tubing using a lathe and then welded the joint making it into a single piece. He then gave the tube another pass on the lathe to clean it up so that the whole arrangement fits flush inside of the flexible ducting. I plan to fit the exhaust and duct tomorrow and will use some aluminized tape to seal the joint near the engine exhaust.

Welded gunbarrel fitting with fabricated tubing

Exhaust pipe in place

I connected the fuel line and pump also. I decided to replace the connections on the fuel pump as they were frayed and loose. I used some barrel crimps and positioned them so that polarity reversal wouldn't be possible.

Blue barrel crimps on the fuel pump connections

In addition to the exhaust, I rerouted some of the plumbing to tidy it up but there is still some more work to be done before the rig is in an acceptable condition. Pat also made a stand for the header tanks out of a sheet of plywood. The tanks sit flat on the sheet with their outlets coming out through holes in the sheeting.

Rerouted plumbing (some work still needed). Note white fuel line and coolant header tank (extreme right corner)

All that remains to be done:
  • Get the inverter installed and hooked up
  • Mount the coolant pump to the wall
  • Connect the cold water pipe to the tap
  • Charge and bleed the coolant system
  • Charge and bleed the fuel system

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